Chevrolet 30 Series 1967 Service Manual page 315

Fig. 19V— Installing Crankshaft Sprocket
7. Draw camshaft sprocket onto camshaft, using the
three mounting bolts. Torque to specifications.
. Lubricate timing chain with engine oil.
8
9. Install crankcase front cover and torsional damper
as outlined.
Camshaft
Measuring Lobe Lift
NOTE: Procedure is sim ilar to that used for
Fig . 20V —Instal ling Timing Chain
Fig. 21V —Measuring Camshaft Lobe Lift
checking valve timing. If improper valve opera­
tion is indicated, measure the lift of each push
rod in consecutive
readings.
1. Remove the valve mechanism as outlined.
Position indicator with ball socket adapter on push
2.
rod (fig. 21V).
NOTE: Make sure push rod is in the lifter
socket.
3. Rotate the crankshaft damper slowly in the direction
of rotation until the lifter is on the heel of the cam
lobe. At this point, the push rod will be in its lowest
position.
4. Set dial indicator on zero, then rotate the balancer
Fig . 2 2V —Removing Camshaft
ENGINE 6-35
order and record the
CHEVROLET TRUCK SERVICE MANUAL